/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.

This file is part of GtkRadiant.

GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#if !defined(INCLUDED_PREFERENCESYSTEM_H)
#define INCLUDED_PREFERENCESYSTEM_H

#include "generic/constant.h"
#include "generic/callbackfwd.h"

typedef Callback1<const char*> StringImportCallback;
typedef Callback1<const StringImportCallback&> StringExportCallback;

class PreferenceSystem
{
public:
  INTEGER_CONSTANT(Version, 1);
  STRING_CONSTANT(Name, "preferences");

  virtual void registerPreference(const char* name, const StringImportCallback& importer, const StringExportCallback& exporter) = 0;
};

#include "modulesystem.h"

template<typename Type>
class GlobalModule;
typedef GlobalModule<PreferenceSystem> GlobalPreferenceSystemModule;

template<typename Type>
class GlobalModuleRef;
typedef GlobalModuleRef<PreferenceSystem> GlobalPreferenceSystemModuleRef;

inline PreferenceSystem& GlobalPreferenceSystem()
{
  return GlobalPreferenceSystemModule::getTable();
}


#endif
